Iwase monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Iwase

Iwase average temperature chart (Celsius) Iwase average temperature chart (Fahrenheit)
Average monthly temperatures in Iwase (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.6 8 11.2 17.1 21.6 24 27.5 29.6 25.1 19.9 15 10.2
°F 45.7 46.5 52.2 62.8 70.9 75.2 81.5 85.3 77.2 67.8 59 50.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Iwase monthly rainfall chart (mm) Iwase monthly rainfall chart (inches)
Average monthly rainfall in Iwase (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 50 79 109 133 185 146 166 183 129 68 32
inches 1.1 1.9 3.1 4.3 5.2 7.3 5.8 6.5 7.2 5.1 2.7 1.3
Rainy days 9 11 15 16 16 20 21 18 20 16 11 8

Average annual rainfall in Iwase: 1485.9mm (585 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Iwase

Iwase average daily sunshine chart
Average daily sunshine Iwase
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.6 6.2 6.2 6 6.4 4.5 4.6 5.9 4.1 4.8 5.4 6.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Iwase average minimum / maximum temperatures (Celsius) Iwase average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iwase (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.1 -3.1 0.1 6.2 11.4 16.2 20.1 21.6 17.5 10.5 4.2 -1.7
Max °C 7.9 8.3 11.5 17.4 21.9 24.2 27.7 29.8 25.3 20.1 15.3 10.5
Min °F 24.6 26.4 32.2 43.2 52.4 61.2 68.2 70.9 63.5 50.9 39.5 29
Max °F 35.4 36.7 42.4 53.2 61.9 68.4 75 78.3 70.5 59.5 49.5 39.9

Sea temperature

The graph below shows the average sea temperature.

Iwase average sea temperature chart (Celsius) Iwase average sea temperature chart (Fahrenheit)
Average sea temperature around Iwase in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.9 14.7 14.7 16.3 18.9 21.4 23.6 25.9 25 22.6 20.5 18.1
°F 60.7 58.4 58.5 61.4 66.1 70.6 74.5 78.6 77 72.6 68.9 64.6

Wind speed

The graph below shows the average wind speed.

Iwase average winspeed by month (km/h) Iwase average winspeed by month (mph)
Average wind speed in Iwase (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 9 9 10 9 8 7 8 8 8 8 8
mph 5 5 6 6 6 5 5 5 5 5 5 5

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Iwase relative humidity averages
Average relative humidity in Iwase
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 64% 64% 69% 73% 80% 83% 81% 81% 77% 73% 68%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Iwase weather stats

Iwase weather statistics
Hottest month: August 29.6°C 85.3°F
Driest month: January 29mm 1.1ins
Sunniest month: January 6.6hrs
Coldest month: January 7.6°C 45.7°F
Wettest month: June 185mm 7.3ins
Warmest sea: August 25.9°C 78.6°F
Map showing location of Iwase (36.35, 140.1) Iwase map pin © Google

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